Hey,
I could start apache in terminal and after that could login do last update of 4.3
What I know that update i do was cleaning and fixed my Kopano core to working again.
I not remember i have short memoery with some thing.
But everything working and runing good update too.
Run my system on amd computer with 24 gb memory.
I started from kl 9 swedish time was complette after 7 hours.